Wall spikes



FIG. 1 is a top perspective view of wall spikes showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a right end view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a back elevation view thereof;

FIG. 6 is a left end view thereof; and,

FIG. 7 is a bottom plan view. 

The ornamental design for wall spikes, as shown and described. 